*{
    padding: 0;
    margin: 0;
}
body{
    list-style: none;
}
/* 头部 */
.toubu1{
    height: 100px;
    /* background-color: antiquewhite; */
    margin: 0 auto;
}
.toubu1>.toubu2{
 width: 1200px;
 height: 100px;
 /* background-color: aqua; */
 margin: 0 auto;
 display: flex;
align-items: center;
list-style: none;
justify-content: space-around;

 
}


.toubu2>h2{
margin-left: -100px;
}
.toubu2>.you1{
    width: 340px;
    
    height: 100px;
    display: flex;
    justify-content: center;
  
    align-items: center;
}
/* 导航 */
.var1{
    height: 30px;
    background-color: lightgoldenrodyellow;
    text-align: center;
    line-height: 30px;
    font-size: 10px;
    margin: 0 auto;
}
.var1>.li1>img{
    width: 12px;
    height: 12px;
}
/* 大图 */
.datu1{
    height: 500px;
   
    /* background-color: blue; */
   
}
.datu1>.pi1{
  /* border: 1px solid; */
  height: 100%;
 
}
.datu1>.pi1>img{
    width: 100%;
    height: 70%;
    position: absolute;
    z-index:1;
    
}


/* 登录框 */
.datu2{
    width: 610px;
    height: 380px;
 background-color: #fff;
    opacity: 0.8;
  position:relative;
   z-index: 999;
   left: 30%;
   top:-85%;
  border: 3px solid;
  /* display: none; */
   
   
}
.datu2>.box1{
    height: 50px;
   
    background-color: antiquewhite;
    font-size: 15px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    color: black 700;
   
} 
form{
   
    width: 410px;
    height: 280px;
   margin: 0 auto;
   margin-top: 30px;

}
label{
    font-size: 26px;
    margin: 15px;
    line-height: 50px;
  
    
}
  
label>input{
    width:260px ;
    height: 30px;
}
p{
    font-size: 30px;
    line-height: 50px;
}
p>.dd1{
 width: 250px;
 height: 30px;
margin-left: 80px;
background-color: darkslategrey;
color: #fff;
}
form>li{
    font-size: 20px;
    margin-top: 25px;
    margin-left:-10px ;
}
li>button{
    width: 100px;
    margin-left: 50px;
}
.aa1{
   color: chartreuse;
   font-size: 20px;
   margin-left: 20px;
   margin-top: 20px;
}
.aa2{
    font-size: 20px;
    color: darkslategrey;
    margin-left: 20px;
}
.aa3{
    font-size: 20px;
color: goldenrod;
margin-left: 20px;
}
.aaa2{
    margin-left: 250px;
}